"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 防篡改
Case Name   : INDEPENDENT用户相关审记功能正常
Create At   : 2022/3/29
Owner       : @daiguatutu
Description :
    1.设置参数并重启数据库enableseparationofduty=off
    2.创建independent和sysadmin用户
    3.sysadmin用户连接,修改用户,锁定/解锁帐户
    4.independent用户连接,去除independent属性
    5.删除用户
    6.查看审计日志
    7.清理环境
Expect      :
    1.成功
    2.成功
    3.成功
    4.成功
    5.成功
    6.成功
    7.清理环境成功
History     :
"""

import os
import unittest

from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger
from yat.test import macro


class Security(unittest.TestCase):
    def setUp(self):
        self.log = Logger()
        self.log.info(f'-----{os.path.basename(__file__)} start-----')
        self.pri_sh = CommonSH('PrimaryDbUser')
        self.constant = Constant()
        self.common = Common()
        self.u_name = 'u_security_indenpendentuser_0030'
        self.u_name_01 = 'u_security_indenpendentuser_0030_01'
        self.default_value1 = self.common.show_param('enableSeparationOfDuty')

    def test_security(self):
        text = '-----step1：设置参数并重启数据库enableSeparationOfDuty=off; ' \
               'expect:成功-----'
        self.log.info(text)
        if self.default_value1 != 'off':
            mod_msg = self.pri_sh.execute_gsguc('set',
                                                self.constant.GSGUC_SUCCESS_MSG,
                                                'enableSeparationOfDuty=off')
            self.assertTrue(mod_msg, '执行失败:' + text)
            result = self.pri_sh.restart_db_cluster()
            self.assertTrue(result, '执行失败' + text)

        text = '-----step2：创建independent和sysadmin用户 expect:成功-----'
        self.log.info(text)
        create_cmd = f"drop user if exists {self.u_name}," \
            f"{self.u_name_01} cascade; " \
            f"create user {self.u_name} independent password " \
            f"'{macro.COMMON_PASSWD}';" \
            f"create user {self.u_name_01} sysadmin " \
            f"password '{macro.COMMON_PASSWD}';"
        msg = self.pri_sh.execut_db_sql(create_cmd)
        self.log.info(msg)
        self.assertIn(self.constant.DROP_ROLE_SUCCESS_MSG, msg,
                      '执行失败:' + text)
        self.assertEqual(2, msg.count(self.constant.CREATE_ROLE_SUCCESS_MSG),
                         '执行失败:' + text)

        text = '-----step3：sysadmin用户连接,修改用户,锁定/解锁帐户; expect:成功-----'
        self.log.info(text)
        sql3_cmd1 = f"alter user {self.u_name} account lock;"
        sql3_cmd2 = f"alter user {self.u_name} account unlock;"
        connect = f'-U {self.u_name_01} -W {macro.COMMON_PASSWD}'
        msg = self.pri_sh.execut_db_sql(f'{sql3_cmd1}{sql3_cmd2}',
                                        sql_type=connect)
        self.log.info(msg)
        self.assertEqual(2, msg.count(self.constant.ALTER_ROLE_SUCCESS_MSG),
                         '执行失败:' + text)

        text = '-----step4：independent用户连接,去除independent属性; expect:成功-----'
        self.log.info(text)
        sql4_cmd = f"alter user {self.u_name} noindependent;"
        connect = f'-U {self.u_name} -W {macro.COMMON_PASSWD}'
        msg = self.pri_sh.execut_db_sql(sql4_cmd, sql_type=connect)
        self.log.info(msg)
        self.assertIn(self.constant.ALTER_ROLE_SUCCESS_MSG, msg,
                      '执行失败:' + text)

        text = '-----step5：删除用户; expect:成功-----'
        self.log.info(text)
        sql5_cmd = f"drop user if exists {self.u_name}," \
            f"{self.u_name_01} cascade;"
        msg = self.pri_sh.execut_db_sql(sql5_cmd)
        self.log.info(msg)
        self.assertIn(self.constant.DROP_ROLE_SUCCESS_MSG, msg,
                      '执行失败:' + text)

        text = '-----step6：查看审计日志; expect:成功-----'
        self.log.info(text)
        sql_time = f"select sysdate + interval ' 1 minutes' as result;" \
            f"select sysdate - interval ' 1 minutes' as result;"
        result = self.pri_sh.execut_db_sql(sql_time)
        self.log.info(result)
        time_start = result.splitlines()[-2].strip()
        time_end = result.splitlines()[2].strip()
        sql_cmd = f"select username ,detail_info from " \
            f"pg_query_audit('{time_start}','{time_end}');"
        msg = self.pri_sh.execut_db_sql(sql_cmd)
        self.log.info(msg)
        self.assertIn(
            f"create user {self.u_name} independent password '********';",
            msg, '执行失败:' + text)
        self.assertIn(
            f"create user {self.u_name_01} sysadmin password '********';",
            msg, '执行失败:' + text)
        self.assertIn(f'the user({self.u_name}) has been locked', msg,
                      '执行失败:' + text)
        self.assertIn(sql3_cmd1, msg, '执行失败:' + text)
        self.assertIn(f'the user({self.u_name}) has been unlocked', msg,
                      '执行失败:' + text)
        self.assertIn(sql3_cmd2, msg, '执行失败:' + text)
        self.assertIn(sql4_cmd, msg, '执行失败:' + text)
        self.assertIn(sql5_cmd, msg, '执行失败:' + text)

    def tearDown(self):
        self.log.info('-----step7：清理环境-----')
        text1 = '-----删除用户 expect:成功-----'
        self.log.info(text1)
        drop_cmd = f"drop user if exists {self.u_name}," \
            f"{self.u_name_01} cascade;"
        drop_msg = self.pri_sh.execut_db_sql(drop_cmd)
        self.log.info(drop_msg)

        text2 = '-----修改参数enableSeparationOfDuty为初始值 expect:成功-----'
        self.log.info(text2)
        mod_msg1 = self.pri_sh.execute_gsguc('set',
                                             self.constant.GSGUC_SUCCESS_MSG,
                                             f'enableSeparationOfDuty='
                                             f'{self.default_value1}')
        restart_res = self.pri_sh.restart_db_cluster()

        self.log.info('-----断言tearDown执行成功-----')
        self.assertIn(self.constant.DROP_ROLE_SUCCESS_MSG, drop_msg,
                      '执行失败:' + text1)
        self.assertTrue(mod_msg1, '执行失败:' + text2)
        self.assertTrue(restart_res, '执行失败:' + text2)
        self.log.info(f'-----{os.path.basename(__file__)} end-----')
